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Background level/Noise level is too high (LCMS)
Background level/Noise level is too high (LCMS)
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Answer
The following factors and solutions are possible.(Please check from the top)
1. Cleaning the Lens. Click here for How to check for lens problems.
2. Replacing (Cleaning) the DL. Click here for How to check for DL problems.
3. Replacing the ESI Pipe. Click here for How to check for ESI Pipe problems.
4. Cleaning inside the Probe Holder.
5. Cleaning the LC Flow Line.
6. Cleaning the Heater block and Sampling Cone. Click here for How to check for Heater block and Sampling Cone problems.
7. Adjusting the Probe Position. Click here for How to check for ESI Probe position problems.
8. Cleaning the ESI Probe (Nozzle). Click here for How to check for ESI Probe and Nozzle problems.
9. Cleaning the Orifice. Click here for How to check for Orifice problems.
10. Replacing the PEEK Tube. Click here for How to check for ESI PEEK Tube problems.
11. Aging
2. Replacing (Cleaning) the DL. Click here for How to check for DL problems.
3. Replacing the ESI Pipe. Click here for How to check for ESI Pipe problems.
4. Cleaning inside the Probe Holder.
5. Cleaning the LC Flow Line.
6. Cleaning the Heater block and Sampling Cone. Click here for How to check for Heater block and Sampling Cone problems.
7. Adjusting the Probe Position. Click here for How to check for ESI Probe position problems.
8. Cleaning the ESI Probe (Nozzle). Click here for How to check for ESI Probe and Nozzle problems.
9. Cleaning the Orifice. Click here for How to check for Orifice problems.
10. Replacing the PEEK Tube. Click here for How to check for ESI PEEK Tube problems.
11. Aging
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